From 3cfeab379362feb285fdb631ebc65539c1559034 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 27 Mar 2025 17:33:49 -0400 Subject: drm/amdgpu/mes11: optimize MES pipe FW version fetching Don't fetch it again if we already have it. It seems the don't reliably have the proper value at resume in some cases. Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4083 Signed-off-by: Alex Deucher Cherry-picked-for: https://gitlab.archlinux.org/archlinux/packaging/packages/linux/-/issues/121 --- drivers/gpu/drm/amd/amdgpu/mes_v11_0.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c @@ -899,6 +899,10 @@ static void mes_v11_0_get_fw_version(str { int pipe; + /* return early if we have already fetched these */ + if (adev->mes.sched_version && adev->mes.kiq_version) + return; + /* get MES scheduler/KIQ versions */ mutex_lock(&adev->srbm_mutex);